If available, see below for a list of known fire department frequencies for Mountain City, Texas. Or, navigate to another city or town within Hays County, to view the local fire department frequencies.
| Austin | Bear Creek | Buda | Driftwood | |
| Dripping Springs | Hays | Kyle | Mountain City | |
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| Niederwald | San Marcos | Uhland | Wimberley | |
| Woodcreek | ||||